Computer cooling device

The utility model discloses a computer cooling device. The computer cooling device comprises a heat dissipating part and a heat dissipating cover. The heat dissipating cover is provided with a pair of connecting sleeve nozzles. The heat dissipating part comprises a square heat dissipating base. The middle of the heat dissipating base is provided with a heat dissipating column array composed of heat dissipating columns. The heat dissipating base is provided with a square sealing ferrule comprising a square sealing through hole, and the heat dissipating column array is arranged in the sealing through hole. According to the computer cooling device, the sealing ferrule on the periphery of the heat dissipating column array is utilized, and due to the fact that the sealing ferrule is integrally formed and made of silica gel, and the sealing ferrule has good elasticity and is capable of resisting high temperature and wrapping the heat dissipating column array firmly, circulating water is effectively prevented from l